baber/WOPTO huggingface dataset:
Patent JP-2015507234-A (JP)
Title: サービスとしての集積回路
IPC: G06Q50/10
Filed: 2011-12-02
Abstract: サービスとしてのＦＰＧＡへのアクセスを提供し、かつ管理するための技術が概略的に述べられる。いくつかの例では、共用のＦＰＧＡ使用のためのプロビジョニング管理、およびユーザ仕様にプログラムされたＦＰＧＡにユーザのプロセスがアクセスできるようにするためのアクセス制御を可能にするシステムは、データセンタサーバと通信するＦＰＧＡに向けてコンパイルするためのユーザパッケージを受け入れることができる。ユーザパッケージは、付加された管理ペイロードと共にＦＰＧＡにイメージコピーすることができ、またドライバおよびユーザキーを使用して、データセンタ仮想マシンに対して、サービスとしてのＦＰＧＡへの選択的なアクセスを可能にすることができる。併せて、これらの要素は、データセンタが、レンタル可能なサービスとしての集積回路（ＩＣａａＳ）を提供できるようにする。請求追跡、プロビジョン管理、およびアクセス制御などのさらなるサービスをユーザに提供することができ、低コストを実現できるようにする一方で、データセンタには、大きな利益が実現される。
Patent JP-2014533693-A (JP)
Title: ポリマー系着色剤組成物及び使用方法
IPC: A61K45/00
Filed: 2012-11-16
Abstract: 組成物が開示されている。本組成物は、薬剤と、液状ビヒクルと、着色剤成分が共有結合しているポリマー成分を含む少なくとも１種のポリマー系着色剤と、を含む。少なくとも１つの着色剤成分は、直接的又は間接的に薬剤と反応しない。皮膚を外科処置対象の部位として調製するための方法と、医療症状を処置する方法と、を包含するポリマー系着色剤の使用方法もまた提供されている。
Patent JP-2014533766-A (JP)
Title: 硬化性組成物
IPC: C08L83/04
Filed: 2012-11-26
Abstract: 本発明は、硬化性組成物及びその用途に関する。１つの例示的な硬化性組成物は、優れた加工性及び作業性を示すことができる。上記硬化性組成物は、硬化すれば、光抽出効率、クラック耐性、硬度、耐熱衝撃性及び接着性などに優れている。上記硬化性組成物は、苛酷条件でも長時間安定的な耐久信頼性を示し、白濁及び表面でのべたつきなどが誘発されない硬化物を提供することができる。
Patent JP-2015500279-A (JP)
Title: 哺乳動物胎児肺細胞および該細胞の治療的使用
IPC: A61P1/00
Filed: 2012-12-06
Abstract: 哺乳動物胎児肺組織に由来する細胞懸濁物の単離された集団を有効成分として含む医薬組成物が開示される。前記胎児肺組織は、妊娠の約２０週〜約２２週の範囲から選択される妊娠段階におけるヒトの肺器官／組織の発達段階に対応する発達段階にある。この医薬組成物を使用する方法もまた開示される。【選択図】なし
Patent JP-2015507034-A (JP)
Title: エポキシ樹脂組成物
IPC: B29C70/06
Filed: 2012-12-11
Abstract: （ｉ）組成物（Ｃ）の全重量に対して、少なくとも１種類のエポキシ化合物［化合物Ｅ］３０〜９０重量％；（ｉｉ）組成物（Ｃ）の全重量に対して、少なくとも１種類の硬化剤［試剤Ｃ］０〜６０重量％；（ｉｉｉ）組成物（Ｃ）の全重量に対して、少なくとも１種類の促進剤０〜１５重量％；（ｉｖ）組成物（Ｃ）の全重量に対して、少なくとも１種類のポリ（アリールエーテルスルホン）（Ｉ）［ＰＡＥＳ（Ｉ−１）］１〜６０重量％であって、前記ＰＡＥＳ（Ｉ−１）ポリマーが２００μ当量／ｇ以上の量のアミン官能基を含む、ポリ（アリールエーテルスルホン）（Ｉ）［ＰＡＥＳ（Ｉ−１）］；（ｖ）組成物（Ｃ）の全重量に対して、少なくとも１種類のポリ（アリールエーテルスルホン）（Ｉ）［ＰＡＥＳ（Ｉ−２）］１〜６０重量％であって、前記ＰＡＥＳ（Ｉ−２）ポリマーが前記ＰＡＥＳ（Ｉ−１）ポリマーと異なる、ポリ（アリールエーテルスルホン）（Ｉ）［ＰＡＥＳ（Ｉ−２）］；を含む、エポキシ樹脂組成物［組成物（Ｃ）］。
Patent JP-2015500180-A (JP)
Title: 雪性能ピークを有するタイヤ
IPC: B60C11/13
Filed: 2012-09-21
Abstract: 第１のトレッド端縁から第２のトレッド端縁まで伸長し、複数の側面方向グルーブを画定する複数のブロックを有するトレッドを有するタイヤが開示される。側面方向グルーブは、半径方向グルーブ深さを定めるグルーブ底部を有する。第１の踏込側面は、グルーブ底部から第１の踏込端縁まで外向きに伸長し、第１の蹴出側面はグルーブ底部から第１の蹴出端縁まで外向きに伸長する。少なくとも１つのピークが側面方向グルーブの内の少なくとも１つに配置される。ピークはグルーブ底部から外向きに伸長し、半径方向に外端で、およびトレッド幅の２分の１以下の赤道面からの軸方向距離で終端する。ピークはその側面方向グルーブの深さの２５パーセントと７５パーセントとの間の高さを有する。複数のピークがグルーブ内部に配置されてよい。【選択図】図２
Patent JP-2015507149-A (JP)
Title: 緩み防止ナット及びその製造方法
IPC: F16B39/286
Filed: 2012-12-31
Abstract: 本発明は、緩み防止ナット及びその製造方法に関し、本体が螺旋状を成して弾性を有し、内周面にネジ山が形成されてボルトに結合される緩み防止ナットを提案して、螺旋状のナットの本体がボルトを強く巻きながら結合されると共に、螺旋状の本体が温度変化に応じて収縮及び膨脹をしながら、ナットとボルトに形成されているネジ山同士が強く密着して堅固に結合され、外部の震動や衝撃のような外力が加えられる場合、弾性的に外力を吸収するようになるので、良く解けなくなる緩み防止ナット及びその製造方法に関する。【選択図】図１
Patent JP-2015503472-A (JP)
Title: 封止された鋳造金属金型用のシステム及び方法
IPC: B29C33/38
Filed: 2013-01-04
Abstract: 本発明は、ポリマー部品の製造に用いられる鋳造金属金型に関し、より詳細には、ポリマー部品の製造に使用される鋳造金属金型を封止するための方法に関する。本技術の一実施形態は、封止された表面を生成するためにシーリング材が金型キャビティの表面を封止するべく構成されるように、金型キャビティ（２４）の表面にある孔（６０）内に配置されたシーリング材（６２）を有する鋳造金属金型（２６）に関するものである。封止された表面は、ポリマー部品の製造中に気体を吸収又は放出するのを阻止される。金型は、製品の金型キャビティからの離型を容易にするために表面コーティング（６４，６６）をさらに含む。表面コーティングは、金型キャビティの封止された表面に付着するように構成されたフルオロポリマーベース層（６４）を含む。
Patent JP-2015504988-A (JP)
Title: 複数の糸を湿潤させる装置
IPC: D01D5/096
Filed: 2013-01-23
Abstract: 本発明は、複数の湿潤手段と複数の調量手段とを有する、糸を湿潤させる装置に関する。それぞれの糸を可能な限り等しい条件下で極めて狭い空間において、均一な液体量を供給できるようにするために、本発明によれば、調量手段は、複数の歯車対によって形成されていて、該歯車対はサンドイッチ状にポンプブロック内に配置され、かつ支持プレートに配置された湿潤手段と連結されており、この場合支持プレートは直接ポンプブロックに保持されている。
Patent JP-2015155401-A (JP)
Title: Substituted heterocyclic compound and pest control agent
Inventor: MITA TAKESHI
IPC: C07D261/02
Filed: 2015-01-15
Abstract: PROBLEM TO BE SOLVED: To provide a novel substituted isoxazoline compound and salt thereof, and a pest control agent comprising the compound as an active ingredient. 
     SOLUTION: This invention provides a substituted isoxazoline compound represented by the following formula and salt thereof, and a pest control agent comprising the compound as an active ingredient. In the formula, X 1  is chlorine or the like; X 2  is chlorine or the like; X 3  is H or the like; R 1  is trifluoromethyl or the like; R 2  is the following E-2-2a or the like; R 3  is H or the like; and Y 1  is methyl or the like. 
     COPYRIGHT: (C)2015,JPO&INPIT
Patent JP-2016130444-A (JP)
Title: Construction method for base-isolated structure
Inventor: TAKAHASHI NAOYUKI
IPC: E04H9/02
Filed: 2015-01-15
Abstract: PROBLEM TO BE SOLVED: To curtail overall construction period significantly, in a construction method for a base-isolated structure constructed by a normal construction method, having a seismic isolator interposed between a lower column part of a composite structure comprising an iron column part and a concrete part, and upper column part built above the lower column part.SOLUTION: A construction method for a base-isolated structure includes a first step in which an iron column part 1a of a lower column part 1 is arranged and a seismic isolator 2 is installed above the iron column part 1a, a second step in which an upper column part 3 is arranged above the seismic isolator 2 installed in the first step, and a third step in which concrete is cast after arranging the upper column part 3 and completing the lower column part 1.SELECTED DRAWING: Figure 4
Patent JP-2016133941-A (JP)
Title: Anonymity commercial transaction provision method
Inventor: SONE TOSHIHITO
IPC: G06F21/62
Filed: 2015-01-17
Abstract: PROBLEM TO BE SOLVED: To provide an anonymity commercial transaction provision method capable of keeping address information inputted by a buyer secret from a seller.SOLUTION: The anonymity commercial transaction provision method comprises: means for receiving first address information that is inputted by a buyer in a buyer terminal 1 to be utilized by a delivery company for address printing and corresponds to address replacement; means for transmitting the first address information to a courier company server 5; means for receiving, from the courier company server 5, second address information that includes a delivery destination point of the delivery company and is utilized by a seller for the address printing; and the courier company server 5 that controls a process of receiving the first address information from an electronic commerce server 3 that provides means for transmitting the second address information to a seller terminal 2, a process of generating the second address information, a process of transmitting the second address information to the electronic commerce server 3 and a process of transmitting the first address information to a label issuing terminal 4.SELECTED DRAWING: Figure 1
Patent JP-2016132727-A (JP)
Title: Friction material compound, friction material and friction member using the same
Inventor: MATSUBA KAZUAKI
IPC: F16D69/04
Filed: 2015-01-20
Abstract: PROBLEM TO BE SOLVED: To provide a friction material compound capable of providing a friction material excellent in friction coefficient and abrasion resistance when high speed and high load breaking even when the content of copper causing pollution of river, lake, sea or the like is small, and further a friction material and a friction member using the friction composition.SOLUTION: There is provided a friction composition containing a binder, an organic filler, an inorganic filler and a fiber substrate and practically no asbestos with the content of copper in the friction composition of 0.5 mass% or less or zero and containing zirconium oxide having particle diameter of 30 μm or less of 35 to 75 mass% as the inorganic filler and titanate of 5 to 30 mass%. There is provided the friction composition containing zirconium oxide and titanate of total 40 to 80 mass%. There is provided the friction composition containing iron-based fiber of 5 mass% or less as the fiber substrate.SELECTED DRAWING: None
Patent JP-2016131966-A (JP)
Title: Removal method of water-resistant layer using coating film release agent
Inventor: NAGAMINE HARUO
IPC: B05D3/10
Filed: 2015-01-22
Abstract: PROBLEM TO BE SOLVED: To provide a removal method of a water-resistant layer capable of removing the water-resistant layer mainly composed of a bitumen material safely in a short time, and to provide a release agent used therefor.SOLUTION: There is provided a removal method of a water-resistant layer mainly composed of a bitumen material. The removal method of the water-resistant layer has the first step for coating the water-resistant layer with a release agent mainly composed of dichloromethane and containing phenol, and the second step for removing the water-resistant layer by blasting after the coated surface is dried. The release agent used therefor is also provided. The bitumen material is preferably a tar epoxy resin.SELECTED DRAWING: None
Patent JP-2016139949-A (JP)
Title: Traffic line determination device, traffic line determination method, and traffic line determination program
Inventor: TSUJI KENTARO
IPC: H04N7/18
Filed: 2015-01-28
Abstract: PROBLEM TO BE SOLVED: To select a sample capable of making it difficult to perform erroneous recognition, by suppressing detection of an inappropriate traffic line, in detecting a person's traffic line.SOLUTION: A plurality of locus detection systems 12 for detecting loci of a plurality of persons and a traffic line detection device 14 are connected through a network 16. Each locus detection system 12 comprises a locus detection device 20 and an imaging device 22. The imaging device 22 performs imaging on a monitoring area. The locus detection device 20 includes: a video acquisition unit 30 for acquiring video imaged by the imaging device 22; a person detection unit 32 for detecting persons included in the acquired video; a feature information extraction unit 34 for extracting feature information showing the detected persons' features; a feature information check unit 38 for checking whether or not random sampling of a sample is possible, on the basis of the detected persons' feature information; and a sample selection unit 40 for selecting, on the basis of the feature information, a person to be a sample from the detected persons, when the random sampling is possible.SELECTED DRAWING: Figure 2
Patent JP-2016137833-A (JP)
Title: Vehicle driving system and vehicle driving method
Inventor: WATANABE HISAZUMI
IPC: B60L50/16
Filed: 2015-01-28
Abstract: PROBLEM TO BE SOLVED: To provide a vehicle driving system capable of suppressing discomfort to a driver when reducing speed.SOLUTION: A vehicle driving system 10 adjusts the speed of a vehicle provided with an engine 220 and a torque converter 110 having a lock-up mechanism, and includes a load adjustment part 120 for applying load to brake a vehicle shaft 210 of the vehicle to the vehicle shaft 210 not via the torque converter 110, and a control part 130 controlling the load adjustment part 120. The control part 130 increases the load applied by the load adjustment part 120 when the lock-up of the torque converter 110 is released.SELECTED DRAWING: Figure 3
Patent JP-2016139032-A (JP)
Title: Image forming apparatus
Inventor: HAYASHI YOSHIHIRO
IPC: B41J29/38
Filed: 2015-01-28
Abstract: PROBLEM TO BE SOLVED: To provide aroma with stable strength to a peripheral environment of an image forming apparatus with an inexpensive configuration.SOLUTION: An image forming apparatus comprises: exhaust means that sucks an air inside an apparatus body and exhausts the air to the outside from an exhaust port provided in the apparatus body; aroma generation means that is arranged on the downstream side in the direction to exhaust air of the exhaust port, stores a volatile agent inside thereof, and includes an openable/closable lid body that emits a volatile component vaporized from the volatile agent; opening/closing means that opens/closes the lid body of the aroma generation means; first temperature detection means that detects the temperature inside the apparatus body; second temperature detection means that detects the temperature on the periphery of the exhaust port or atmospheric temperature; third temperature detection means that detects the temperature outside the apparatus body; and volatile component detection means that detects the density of a residue of the volatile component, where the driving time of the exhaust means is variable.SELECTED DRAWING: Figure 6
Patent JP-2016143459-A (JP)
Title: Swith device and illumination system
Inventor: ASAMI KENICHI
IPC: H05B37/02
Filed: 2015-01-30
Abstract: PROBLEM TO BE SOLVED: To provide a switch device and an illumination system in which a lifetime notification function can be provided to existing illumination equipment easily and inexpensively.SOLUTION: A switch device 4 comprises an operation part 6, a switch part 7 for opening/closing an electrical path between an AC power source Vs and illumination equipment 2, a time counter 8 for accumulatively counting a current supply period from the AC power source Vs to the illumination equipment 2, and a controller 11 for controlling the opening/closing of the switch part 7 and changes the control of the opening/closing of the switch part 7 when the operation part 6 is operated after the time counter 8 accumulatively counts a predetermined value.SELECTED DRAWING: Figure 1
Patent JP-2015119492-A (JP)
Title: Head-mounted type imaging processing apparatus
Inventor: OGINO MASAKI
IPC: G03B17/56
Filed: 2015-01-30
Abstract: PROBLEM TO BE SOLVED: To enable even an inexperienced user to easily perform an operation.SOLUTION: A main body comprises: a band part 30 in a head band shape having a length adjusting function; and a case part 32 which is connected through a rotary hinge 31 positioned at one end of the band part 30, and in which a lens mechanism 33 is housed. Photographing is performed by fixing the band part 30 to a head. When performing the photographing, the case part 32 in which the lens mechanism 33 is housed is rotated 90 degrees to a front with the rotary hinge 31 as an axis, and a lens is projected to the front of a face. An operation is performed by a touching operation to a touch key 18 arranged on a side face of the case part 32. For the operation, actions are guided with voice in real time from an earphone 21 laid out on an inner side of the band part 30.
Patent JP-2016142959-A (JP)
Title: Content information program, content reproduction device, and content reproduction system
Inventor: SEKIGUCHI KOHEI
IPC: H04N21/472
Filed: 2015-02-04
Abstract: PROBLEM TO BE SOLVED: To provide a content information program, a content reproduction device and a content reproduction system that allow a content reproduction device to reproduce contents possessed by other user terminals.SOLUTION: A smartphone 302 is configured to transmit a disclosure list 302 of contents disclosable to other devices of the contents possessed by an own device to an AV receiver 100. The AV receiver 100 is configured to transmit the disclosure list 302 to a smartphone 301. The smartphone 301 is configured to display the disclosure list 302, and allow a user to select a content name from the disclosure list 302. That is, a user of the smartphone 301 can select the contents possessed by the smartphone 302. The smartphone 301 is configured to transmit a reproduction request of the content name selected by the user to the AV receiver 100. The AV receiver 100 is configured to reproduce the content according to the received reproduction request.SELECTED DRAWING: Figure 5
Patent JP-2016145268-A (JP)
Title: Method for producing polymer
Inventor: OISHI TAKAHIRO
IPC: C08F10/10
Filed: 2015-02-06
Abstract: PROBLEM TO BE SOLVED: To provide a production method where the removal of a metal catalyst used for the production of a polymer is efficiently performed, and a polymer is efficiently refined.SOLUTION: Provided is a method for producing a polymer where a polymer solution containing a metal catalyst is added with a compound capable of complexing with the metal catalyst so as to be a metal complex, thus the metal catalyst is removed. Particularly, it is preferable that the metal catalyst be the one subjected to catalyst deactivation treatment, and, further, after the addition of the compound capable of complexing, the formed metal complex is removed by filtration.SELECTED DRAWING: None
Patent JP-2016144588-A (JP)
Title: Probe holder
Inventor: NARUSE NAOYUKI
IPC: A61B8/14
Filed: 2015-02-09
Abstract: PROBLEM TO BE SOLVED: To provide a probe holder which surely holds a probe head of an ultrasonic probe in an ultrasonic diagnostic apparatus.SOLUTION: A probe holder 38 comprises a storage part 40 which stores a portion of a probe head 34 of an ultrasonic probe, a belt 42 which restrains the probe head from the circumference together with the storage part. By restraining the probe head 34 by fastening the belt 42, the probe head 34 is less likely to come off of the probe holder 38.SELECTED DRAWING: Figure 5
Patent JP-2016131563-A (JP)
Title: Dried enoki powder containing health supplement component
Inventor: KOBAYASHI RITSUKO
IPC: A23L33/10
Filed: 2015-01-22
Abstract: PROBLEM TO BE SOLVED: To provide a supplement component providing effects for enhancing immuno power of human, improving liver functions and further shrinking tumor as a health supplement component, especially food composition having no characteristic such as odor or taste affecting texture which other materials have and low calorie.SOLUTION: There is provided a dried enoki powder containing a health supplement component which contains moisture content of 10 wt.% or less, a mineral component of 3 wt.% or more and an amino acid component of 10 to 25 wt.% in enoki and is powder having 1 μm to 0.5 mm.SELECTED DRAWING: Figure 1
Patent JP-2016151613-A (JP)
Title: Photosensitive lithographic printing plate
Inventor: KONISHI YUICHIRO
IPC: G03F7/00
Filed: 2015-02-16
Abstract: PROBLEM TO BE SOLVED: To provide a photosensitive lithographic printing plate having high sensitivity and excellent scratch resistance.SOLUTION: A photosensitive lithographic printing plate has at least a photocurable photosensitive layer and a protective layer in the stated order on a base material, with the photocurable photosensitive layer closer to the base material than the protective layer. The protective layer consists of at least two layers of a layer comprising no wax particles and a layer comprising wax particles thereon.SELECTED DRAWING: None
Patent JP-2015171711-A (JP)
Title: Hydrogen production catalyst, hydrogen production apparatus and hydrogen production process
Inventor: HIRAMITSU YUSUKE
IPC: B01J35/04
Filed: 2015-02-20
Abstract: PROBLEM TO BE SOLVED: To provide a hydrogen production catalyst that sufficiently ensures surface area of nickel to react as a catalyst and has durability of catalyst activity, and also to provide a hydrogen production apparatus comprising said hydrogen production catalyst, and a hydrogen production process.SOLUTION: Provided is: a hydrogen production catalyst 300 of a plate-shape or a pipe-shape containing elements of Cr, Si and Al, all by 0.5% or less in mass% and the remainder of being Ni and inevitable impurities, exhibiting a convexo-concave shape in an end-face view and forming a pore portion 301 in a cross-sectional view; a hydrogen production apparatus including a reaction vessel inside of which said hydrogen production catalyst is packed; and further a hydrogen production process in which hydrogen is produced by feeding mixed gas comprising hydrocarbon gas and steam into the reaction vessel of said hydrogen production apparatus.
Patent JP-2016155293-A (JP)
Title: Printing device
Inventor: NAKANO SHUICHIRO
IPC: B41J2/01
Filed: 2015-02-24
Abstract: PROBLEM TO BE SOLVED: To provide a printing device that can enhance a heating efficiency of a medium.SOLUTION: The printing device comprises: a printing portion that performs printing by adhering ink to a medium M; a conveying portion that conveys the medium M; and a heating device 100 that heats the medium M printed. The heating device 100 has a first bulkhead 210 that has an infrared radiation surface 211 facing a third support member 70 via the heating area HA, and a heating portion 130 that heats the first bulkhead 210. The area of the infrared radiation surface 211 is larger than a projected area at the time when the infrared radiation surface 211 is projected toward the third support member 70.SELECTED DRAWING: Figure 5
Patent JP-2016162195-A (JP)
Title: Image processing device, inspection device, image processing method and program
Inventor: MIYAMOTO HIRONORI
IPC: G01N21/956
Filed: 2015-03-02
Abstract: PROBLEM TO BE SOLVED: To provide an image processing device, an inspection device, an image processing method and a program with which positional information can be appropriately acquired.SOLUTION: An image processing device according to an aspect comprises: pixel matrix information acquisition means 61 which, from an image obtained by capturing a sample having a pattern 22 formed thereon, acquires pixel matrix information in which a pixel address and a luminance value are associated with each other; horizontal area determination means 72 which determines whether or not a luminance distribution in a horizontal area of a target pixel C in the image is smooth; vertical area determination means 73 which determines whether or not smoothness of a luminance distribution in a vertical area of the target pixel C is smooth; determination means 74-77 which, for the target pixel, determines whether or not luminance distribution in a peripheral region in any direction of vertical/horizontal directions is smooth; and a positional information acquisition unit 62 which acquires positional information of the target pixel C on the pattern on the basis of the determination results.SELECTED DRAWING: Figure 4
Patent JP-2016159803-A (JP)
Title: Ship
Inventor: KANDA KOICHI
IPC: B63H21/21
Filed: 2015-03-03
Abstract: PROBLEM TO BE SOLVED: To provide a ship capable of preventing reduction in a battery voltage during stoppage of ship.SOLUTION: A ship 100 comprises: an engine 21 driving a forward/backward traveling propeller 24 via a switching clutch 22; a battery 27 charged with electric power generated by the power of the engine 21; and a controller 50 controlling an engine speed of the engine 21 and switching of the switching clutch 22. In the case that the engine speed is an idle rotational speed, the switching clutch is off, and a battery voltage Eb of the battery 27 is a first voltage or less, the controller 50 controls the engine 21 to increase the engine speed up to a predetermined speed.SELECTED DRAWING: Figure 1
Patent JP-2016168523-A (JP)
Title: Separation method and separation device of used blast furnace trough refractory
Inventor: ISHIDA TADAHIRA
IPC: B03B4/00
Filed: 2015-03-11
Abstract: PROBLEM TO BE SOLVED: To provide a method and a device capable of separating a used blast furnace trough refractory generated in an iron mill to each component.SOLUTION: A separation method of a used blast furnace trough refractory includes: the used blast furnace trough refractory is coarsely crushed (step S1); the particle size of the coarsely crushed blast furnace trough refractory is adjusted in a predetermined size range (step S2); the blast furnace trough refractory whose particle is adjusted is separated to a first high density refractory and a first low density refractory in a threshold density (step S3); successively, the first low density refractory is finely crushed (step S4); and obtained powders are magnetically selected to magnetic powders and non-magnetic powders using a magnetic force (step S5).SELECTED DRAWING: Figure 2